csaf_redhat - rhsa-2024

rhsa-2024_4429

Vulnerability from csaf_redhat

Published

2024-07-09 12:56

Modified

2024-11-24 21:01

Summary

Red Hat Security Advisory: containernetworking-plugins security update

Notes

Topic

An update for containernetworking-plugins is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

The Container Network Interface (CNI) project consists of a specification and libraries for writing plug-ins for configuring network interfaces in Linux containers, along with a number of supported plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted. Security Fix(es): * golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges. (CVE-2023-45287) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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  "vulnerabilities": [
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      "cwe": {
        "id": "CWE-208",
        "name": "Observable Timing Discrepancy"
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      "discovery_date": "2023-12-05T00:00:00+00:00",
      "ids": [
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          "text": "2253193"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Golang crypto/tls standard library. In previous versions, the package was vulnerable to a Timing Side Channel attack by observing the time it took for RSA-based TLS key exchanges, which was not constant. This flaw allows a malicious user to gather information from the environment.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges.",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified flaw in the Golang crypto/tls library, is assessed as a moderate severity issue rather than important due to several mitigating factors. Although the vulnerability exposes a Timing Side Channel, potentially allowing information retrieval through RSA-based TLS key exchanges, its exploitation demands significant access and expertise. Additionally, while earlier versions implemented RSA blinding to counter timing attacks, the removal of PKCS#1 padding may still leak timing data. However, the practicality of exploiting this flaw is limited, and the transition to a fully constant time RSA implementation in Go 1.20 significantly bolsters security, reducing the risk posed by timing side channels.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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      ],
      "title": "golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges."
    }
  ]
}

cve-2023-45287

Vulnerability from cvelistv5

Published

2023-12-05 16:18

Modified

2024-08-02 20:21

Severity ?

Summary

Before Go 1.20, the RSA based key exchange methods in crypto/tls may exhibit a timing side channel

References

▼	URL	Tags
	https://go.dev/issue/20654
	https://go.dev/cl/326012/26
	https://groups.google.com/g/golang-announce/c/QMK8IQALDvA
	https://people.redhat.com/~hkario/marvin/
	https://pkg.go.dev/vuln/GO-2023-2375
	https://security.netapp.com/advisory/ntap-20240112-0005/

Impacted products

▼	Vendor	Product
	Go standard library	crypto/tls

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:21:15.309Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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            ],
            "url": "https://go.dev/issue/20654"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/cl/326012/26"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/QMK8IQALDvA"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://people.redhat.com/~hkario/marvin/"
          },
          {
            "tags": [
              "x_transferred"
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            "url": "https://pkg.go.dev/vuln/GO-2023-2375"
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          {
            "tags": [
              "x_transferred"
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            "url": "https://security.netapp.com/advisory/ntap-20240112-0005/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "crypto/tls",
          "product": "crypto/tls",
          "programRoutines": [
            {
              "name": "rsaKeyAgreement.processClientKeyExchange"
            },
            {
              "name": "rsaKeyAgreement.generateClientKeyExchange"
            },
            {
              "name": "Conn.Handshake"
            },
            {
              "name": "Conn.HandshakeContext"
            },
            {
              "name": "Conn.Read"
            },
            {
              "name": "Conn.Write"
            },
            {
              "name": "Dial"
            },
            {
              "name": "DialWithDialer"
            },
            {
              "name": "Dialer.Dial"
            },
            {
              "name": "Dialer.DialContext"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Before Go 1.20, the RSA based TLS key exchanges used the math/big library, which is not constant time. RSA blinding was applied to prevent timing attacks, but analysis shows this may not have been fully effective. In particular it appears as if the removal of PKCS#1 padding may leak timing information, which in turn could be used to recover session key bits. In Go 1.20, the crypto/tls library switched to a fully constant time RSA implementation, which we do not believe exhibits any timing side channels."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-208: Observable Timing Discrepancy",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
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        },
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        {
          "url": "https://security.netapp.com/advisory/ntap-20240112-0005/"
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      ],
      "title": "Before Go 1.20, the RSA based key exchange methods in crypto/tls may exhibit a timing side channel"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2023-45287",
    "datePublished": "2023-12-05T16:18:06.104Z",
    "dateReserved": "2023-10-06T17:06:26.221Z",
    "dateUpdated": "2024-08-02T20:21:15.309Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted